Surveying
With the rise of temperature, the sensitivity of a bubble tube

None of these
remains unaffected
increases
decreases

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Surveying
Spring tides are caused when

Solar tidal force acts opposite to lunar tidal force
None of these
Sun and moon are in line with earth
Solar tidal force and lunar tidal force both coincide

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Surveying
Sidereal day

All listed here
Is slightly shorter than an ordinary solar day
Is the period of time taken by the earth in making a complete rotation with reference to stars
Is divided into the conventional hours, minutes and seconds

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